Construction
| Wed 22 Apr 2026
Beijing, April 22 -- Zhejiang Jiaogong Hongtu Traffic Construction has sought patent for Passive Protective Net for Expressway Excavation Protection. This invention was developed by Fan Lijun, Chen Hengjun, Zhou Yulong, Xu Haining, Ren Zhendong, Chen Peijun, Yuan Wei, Qiu Zhanyang, Li Guo, Su Lei, Li Chao, Fang Qingyang and Wang..